在解决复杂结构的优化设计时,对于带有非线性等式或不等式约束的优化问题,还存在一些困难因素,如:由于搜索过程中每一步都要找出目标函数最小方向,同时又要检查约束的可行域,两者往往互相制约,使得收敛很 When solving the optimal design of complex structures, there are still some difficult factors for optimization problems with nonlinear equations or inequality constraints. For example, since the minimum direction of the objective function should be found at each step of the search process, The feasible region of constraint, both of which tend to restrict each other, make convergence very much